Gwangju's 2026 population is now estimated at 1,540,890. In 1950, the population of Gwangju was 173,981. Gwangju has grown by 4,160 in the last year, which represents a 0.27% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Gwangju, which typically includes Gwangju's population in addition to adjacent suburban areas.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Seoul | 10,050,200 | 0.24% |
| Busan | 3,492,730 | 0.24% |
| Incheon | 2,884,820 | 0.39% |
| Daegu | 2,184,070 | 0.14% |
| Daejeon | 1,538,394 | 1.01% |
| Suwon | 1,194,313 | 1.03% |
| Changwon | 1,059,130 | 0.2% |
| Ulsan | 918,482 | 0.24% |
| Cheonan | 717,256 | 0.55% |
| Jeonju | 669,579 | 0.25% |
| Namyangju | 629,061 | 1.04% |
| Gumi | 402,995 | 0.47% |
| Pohang | 368,816 | 0.36% |
| Wonju | 330,854 | 1.01% |
| Asan | 319,929 | 1.03% |
| Iksan | 301,723 | 1% |
| Yangsan | 297,532 | 1.04% |
| Chuncheon | 281,596 | 1.01% |
| Gunsan | 275,155 | 1.01% |
| Yeosu | 273,761 | 1% |
| Suncheon | 265,390 | 1.01% |
| Gyeongju | 262,310 | 1.01% |
| Mokpo | 239,524 | 0.99% |
| Gangneung | 215,677 | 1% |
| Osan | 213,840 | 1.03% |
| Yangju | 205,988 | 1.02% |
| Sejong | 204,088 | 1.2% |
| Anseong | 194,765 | 1.02% |
| Seosan | 169,221 | 1.02% |
| Andong | 168,581 | 1% |
| Hanam | 154,838 | 1.02% |
| Seogwipo | 153,861 | 1.03% |
| Gimcheon | 137,540 | 1.02% |
| Nonsan | 124,246 | 1.01% |
| Gongju | 113,542 | 0.99% |
| Jeongeup | 110,627 | 1% |
| Yeoju | 109,937 | 1.02% |
| Miryang | 103,069 | 1.01% |
| Sangju | 98,760 | 1% |
| Naju | 92,582 | 1.04% |
| Sokcho | 79,846 | 1% |
| Mungyeong | 71,863 | 1.01% |